<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <title>2.数组的every方法</title>
  </head>
  <body>
    <script type="text/javascript" >
      let arr = []

      let x = arr.every((item)=>{
        return item > 0
      })
      console.log(x)
    </script>
  </body>
</html>